export declare class SqlConstants {
    static readonly OPERATOR_AND: "AND";
    static readonly OPERATOR_EQUAL: "=";
    static readonly OPERATOR_GREATER: ">";
    static readonly OPERATOR_GREATER_EQUAL: ">=";
    static readonly OPERATOR_IN: "IN";
    static readonly OPERATOR_IS: "IS";
    static readonly OPERATOR_LESS: "<";
    static readonly OPERATOR_LESS_EQUAL: "<=";
    static readonly OPERATOR_LIKE: "LIKE";
    static readonly OPERATOR_NOT_EQUAL: "!=";
    static readonly OPERATOR_NOT_IN: "NOT IN";
    static readonly OPERATOR_NOT_NULL: "NOT NULL";
    static readonly OPERATOR_NULL: "NULL";
    static readonly OPERATOR_OR: "OR";
}